Climate in Flensburg

Flensburg, Germany has a humid continental climate. The annual average temperature is about 4.9°C and the city receives roughly 721 mm of precipitation across 81 rainy days a year, with around 1843 hours of sunshine. The warmest month is Jul (highs near 21.4°C) and the coldest is Jan (lows near -11.6°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Flensburg is classified as Humid Continental. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Flensburg receives about 721 mm of precipitation a year over roughly 81 rainy days. The wettest month is Jun and the driest is Jan.

Flensburg sees an estimated 1843 hours of sunshine a year, concentrated in the warmer months around Jul.

By temperature and rainfall, the most comfortable months in Flensburg are Jul, Aug, Jun. Conditions vary year to year — verify with a current forecast before booking.

Flensburg has a climate comfort score of 57/100, a moderate year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.